163012745 has 16 divisors (see below), whose sum is σ = 236711808. Its totient is φ = 105204480.

The previous prime is 163012697. The next prime is 163012757. The reversal of 163012745 is 547210361.

It is not a de Polignac number, because 163012745 - 2¹⁰ = 163011721 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136391 + ... + 137580.

It is an arithmetic number, because the mean of its divisors is an integer number (14794488).

Almost surely, 2^163012745 is an apocalyptic number.

It is an amenable number.

163012745 is a deficient number, since it is larger than the sum of its proper divisors (73699063).

163012745 is a wasteful number, since it uses less digits than its factorization.

163012745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274000.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 163012745 is about 12767.6444577690. The cubic root of 163012745 is about 546.2697940313.

The spelling of 163012745 in words is "one hundred sixty-three million, twelve thousand, seven hundred forty-five".